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c/reconstitution·submitted 11 months ago by u/rasmus_kuipers

does dead space actually matter or is it forum lore at this point

PSAbranch of 10 comments

I have had 19 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied by about 24 days on nominally the same lane, which matters more in summer than in February. The independent number came back 93.7% against a claimed…

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This branch

10 comments, started 11 months ago
u/britta_nakamura97 points·11 months ago

The evidence standard in c/vendorvetting gets called too strict about once a month, and every time, the thread ends with the complainant agreeing.

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u/aurel_boateng25 points·11 months ago

No. This is the kind of confident post that gets copied into a screenshot and repeated for years. Where is the evidence.

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u/britta_nakamura21 points·11 months ago

i am begging people to write down the concentration

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u/ahmed_rasmussen10 points·11 months ago

Sceptical. If this were true we would see it reflected in the data and we do not.

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u/freya_onwuka-33 points·11 months ago

dead space is real and the syringe matters

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u/karl_fischer_kev1 point·11 months ago

dosing errors come from people reconstituting two vials differently and forgetting which is which

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u/elodie_grimaldi31 points·11 months ago

15mg vial, 2mL water, concentration is 15/2 — write it on the vial afterwards

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u/soren_zamora16 points·11 months ago

swirl, do not shake, or you are courting oxidation

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u/ledger_modmod · vetting29 points·11 months ago·edited

This is correct. 2mL versus 7mL is the common mistake.

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u/hub_opssite staff9 points·11 months ago

Cosigning. The concentration on the vial in marker is load-bearing.

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About c/reconstitution

The arithmetic and the technique. Bacteriostatic versus sterile water, reconstitution volume as a concentration choice, converting mg/mL into insulin-syringe units, dead space, swirl-not-shake, stopper coring, and how long a reconstituted vial is actually good for. Math errors get corrected fast and politely.

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